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        <h3 id="OC调用Swift"><a href="#OC调用Swift" class="headerlink" title="OC调用Swift"></a>OC调用Swift</h3><p><strong>1. Swift类必须继承NSObject</strong></p>
<p><strong>2. 自动创建桥接文件时选择创建,但是没有任何东西</strong></p>
<p><strong>3. 选择TARGETS → BuildSettings → Packaging → Defines Module 为 YES</strong></p>
<p><strong>4. 在需要使用Swift的地方导入 #import”工程名-Swift.h”,是因为 Product Module Name 是工程名</strong></p>
<p><strong>5. 有时候初始化方法找不到可以试试<code>@objc</code>或者更换Swift版本,如下方的图</strong></p>
<a id="more"></a>
<p><img src="https://ws4.sinaimg.cn/large/006tNc79ly1fz678icylsj31350u0jzi.jpg" alt=""></p>
<figure class="highlight swift"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br></pre></td><td class="code"><pre><span class="line">#<span class="keyword">import</span> "ViewController.h"</span><br><span class="line">#<span class="keyword">import</span> "OCCALLSWIFT-Swift.h"</span><br><span class="line">@interface <span class="type">ViewController</span> ()</span><br><span class="line"></span><br><span class="line">@end</span><br><span class="line"></span><br><span class="line">@implementation <span class="type">ViewController</span></span><br><span class="line"></span><br><span class="line">- (void)viewDidLoad &#123;</span><br><span class="line">    [<span class="keyword">super</span> viewDidLoad];</span><br><span class="line">    <span class="type">Person</span> *p = [[<span class="type">Person</span> alloc]<span class="keyword">init</span>];</span><br><span class="line">    <span class="type">Human</span> *h = [[<span class="type">Human</span> alloc]<span class="keyword">init</span>];</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
<p><img src="https://ws4.sinaimg.cn/large/006tNc79ly1fyyvyfv49aj313s0msady.jpg" alt=""></p>
<h3 id="OC使用Swift代理"><a href="#OC使用Swift代理" class="headerlink" title="OC使用Swift代理"></a>OC使用Swift代理</h3><p><strong>1. 首先在协议前面修饰@bojc和后面修饰为NSObjectProtocol</strong></p>
<p><strong>如: </strong></p>
<figure class="highlight swift"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">@objc</span> <span class="class"><span class="keyword">protocol</span> <span class="title">BRScrollAdViewDelegate</span> : <span class="title">NSObjectProtocol</span></span>&#123;</span><br><span class="line">    <span class="function"><span class="keyword">func</span> <span class="title">adPicViewDidSelectedPicModel</span><span class="params">(pictrueModel : BRScrollAdViewProtocol)</span></span></span><br><span class="line">    <span class="function"><span class="keyword">func</span> <span class="title">adPicViewClickPicModel</span><span class="params">(pictrueModel : BRScrollAdViewProtocol)</span></span></span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
<p><strong>2. 如果协议中包含其他协议那么其他写也要修饰@objc</strong></p>
<p><strong>如: </strong></p>
<figure class="highlight swift"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">@objc</span> <span class="class"><span class="keyword">protocol</span> <span class="title">BRScrollAdViewProtocol</span> : <span class="title">AnyObject</span> </span>&#123;</span><br><span class="line">    <span class="keyword">var</span> adImageURL : <span class="type">URL</span>? &#123;<span class="keyword">get</span>&#125;</span><br><span class="line">    <span class="keyword">var</span> clickBlock : (() -&gt; ())? &#123;<span class="keyword">get</span> <span class="keyword">set</span>&#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
<h3 id="Swift调用OC"><a href="#Swift调用OC" class="headerlink" title="Swift调用OC"></a>Swift调用OC</h3><p><strong>1. 创建OC类时选择创建桥接文件</strong></p>
<p><strong>2. 在桥接文件中导入所需OC类</strong></p>
<p><strong>如: </strong></p>
<figure class="highlight swift"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">//</span></span><br><span class="line"><span class="comment">//  Use this file to import your target's public headers that you would like to expose to Swift.</span></span><br><span class="line">#<span class="keyword">import</span> &lt;UIKit/UIKit.h&gt;</span><br><span class="line">#<span class="keyword">import</span> "Person.h"</span><br><span class="line">#<span class="keyword">import</span> "Human.h"</span><br></pre></td></tr></table></figure>
<p><strong>调用: </strong></p>
<figure class="highlight swift"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">import</span> UIKit</span><br><span class="line"></span><br><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">ViewController</span>: <span class="title">UIViewController</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">override</span> <span class="function"><span class="keyword">func</span> <span class="title">viewDidLoad</span><span class="params">()</span></span> &#123;</span><br><span class="line">        <span class="keyword">super</span>.viewDidLoad()</span><br><span class="line">        <span class="keyword">let</span> <span class="number">_</span> = <span class="type">Person</span>()</span><br><span class="line">        <span class="keyword">let</span> <span class="number">_</span> = <span class="type">Human</span>()</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
<p><a href="https://gitee.com/Min_amdrl/OCCallSwiftDemo.git" target="_blank" rel="noopener">Demo用Swift写的轮播图做了一个Demo</a></p>

      
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